Home / 195,547,878,548.45-293,355,234,998.35-80,618,719,941.31

Finding the Fourth Proportional to 195,547,878,548.45, 293,355,234,998.35 and 80,618,719,941.31

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Solution

The fourth proportional to 195,547,878,548.45, 293,355,234,998.35 and 80,618,719,941.31 is: 120,941,856,844.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,547,878,548.45 : 293,355,234,998.35 = 80,618,719,941.31 : x
  2. Step 2: Convert to fraction form
    195,547,878,548.45/293,355,234,998.35 = 80,618,719,941.31/x
  3. Step 3: Cross multiply
    195,547,878,548.45x = 293,355,234,998.35 × 80,618,719,941.31
  4. Step 4: Simplify right side
    195,547,878,548.45x = 23,649,923,533,647,688,761,344
  5. Step 5: Solve for x
    x = 23,649,923,533,647,688,761,344/195,547,878,548.45
  6. Step 6: Final answer
    x = 120,941,856,844.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.